Japan & South Korea eSIM — reviews & details
Japan & South Korea 3GB 30Days · 3 GB · 30 days
620 reviews
Coverage & networks
- Japan KDDI/au 5G
- South Korea LG Uplus 5G SKTelecom 5G
Traveller reviews
Grace V.
Vietnam · Jun 2025
Used this on my trip and it worked perfectly. Activation was automatic when I arrived. Would definitely buy again.
Mark
GotoeSIM Support
· 1 year ago Really appreciate this, Grace! Great to know the setup was quick and easy. Wishing you many more connected adventures! – Mark, GotoeSIM Support
Ravi G.
UAE · May 2025
Bought it the night before my flight — smooth process. Signal held up well on trains and in rural areas.
David
GotoeSIM Support
· 1 year ago Thanks for sharing, Ravi! So pleased it saved you from roaming bills. Enjoy your journeys! – David 💜
Emma P.
Vietnam · May 2025
No more hunting for a SIM card kiosk on arrival. Topping up was straightforward when I needed more. Zero regrets.
Sophie
GotoeSIM Support
· 1 year ago Thanks for sharing, Emma! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! — Sophie
Viktor D.
Philippines · May 2025
Bought it the night before my flight — smooth process. Signal held up well on trains and in rural areas. Five stars from me.
Yuki
GotoeSIM Support
· 1 year ago Cheers, Viktor! Wonderful to hear it worked smoothly in Japan & South Korea. Come back anytime! — Yuki, GotoeSIM Support
Min-jun H.
Vietnam · May 2025
Connected the moment I landed. Data lasted the whole trip with room to spare. Would definitely buy again.
Tom
GotoeSIM Support
· 1 year ago Thanks for sharing, Min-jun! So pleased it saved you from roaming bills. – Tom 💜
James D.
Spain · May 2025
Bought it the night before my flight — smooth process. Activation was automatic when I arrived. Exactly as described — no surprises.
Omar
GotoeSIM Support
· 1 year ago Thank you for the kind words, James! Wonderful to hear it worked smoothly in Japan & South Korea. Enjoy your journeys! – Omar 💜
Ananya F.
Thailand · May 2025
First time using an eSIM and it was painless. Speeds were solid for maps, messaging and browsing.
Grace
GotoeSIM Support
· 1 year ago Really appreciate this, Ananya! Love that you were online the moment you landed in Japan & South Korea. Enjoy your journeys! — Grace, GotoeSIM Support
Mei L.
Turkey · May 2025
Honestly better than buying a local SIM at the airport. Coverage was strong even outside the city. Would definitely buy again.
Omar
GotoeSIM Support
· 1 year ago Really appreciate this, Mei! So pleased it saved you from roaming bills. — Omar, GotoeSIM Support
Ryan K.
Philippines · May 2025
Used this on my trip and it worked perfectly in Japan & South Korea. Ran hotspot to my laptop with no issues.
Laura
GotoeSIM Support
· 1 year ago Thanks for sharing, Ryan! So pleased it saved you from roaming bills. Safe travels, and see you on your next trip! – Laura, GotoeSIM Support
Giulia P.
South Korea · May 2025
Saved me a fortune on my holiday in Japan & South Korea. Streaming and video calls worked without buffering. Will use GotoeSIM for my next trip for sure.
Omar
GotoeSIM Support
· 1 year ago Thank you so much, Giulia! Thrilled it made staying connected effortless. We're here whenever you travel again. — Omar, GotoeSIM Support
Grace F.
Germany · May 2025
Honestly better than buying a local SIM at the airport in Japan & South Korea. Setup instructions in the app were clear and simple.
Grace
GotoeSIM Support
· 1 year ago Really appreciate this, Grace! Delighted the speeds worked well for you. Safe travels, and see you on your next trip! — Grace, GotoeSIM Support
Andre C.
Switzerland · May 2025
Connected the moment I landed. Signal held up well on trains and in rural areas.
James
GotoeSIM Support
· 1 year ago Really appreciate this, Andre! Delighted the speeds worked well for you. – James 💜
Wei V.
New Zealand · May 2025
Super easy to set up before I flew out. Ran hotspot to my laptop with no issues. Highly recommend for any traveller.
Yuki
GotoeSIM Support
· 1 year ago Thank you so much, Wei! Thrilled it made staying connected effortless. Wishing you many more connected adventures! – Yuki 💜
Beatriz L.
Indonesia · May 2025
Installed in minutes by scanning the QR code. Ran hotspot to my laptop with no issues.
Anna
GotoeSIM Support
· 1 year ago Cheers, Beatriz! Thrilled it made staying connected effortless. Enjoy your journeys! – Anna, GotoeSIM Support
Nadia N.
Spain · May 2025
Installed in minutes by scanning the QR code. Setup instructions in the app were clear and simple.
Diego
GotoeSIM Support
· 1 year ago Really appreciate this, Nadia! Great to know the setup was quick and easy. Enjoy your journeys! – Diego, GotoeSIM Support
Frequently asked questions
How much does the Japan & South Korea eSIM cost?
The Japan & South Korea 3GB 30Days plan costs $6.08 for 3 GB over 30 days, paid once with no hidden fees.
How do I activate my Japan & South Korea eSIM?
Scan the QR code in your phone settings (Cellular/Mobile → Add eSIM) or tap Install in the GotoeSIM app. Install on Wi-Fi before your trip; it activates when you arrive in Japan & South Korea.
Will this eSIM work on my phone?
It works on any eSIM-compatible, carrier-unlocked phone — iPhone XS and newer, Google Pixel 3 and newer, and recent Samsung Galaxy models.
Can I keep my regular number?
Yes. The eSIM runs alongside your normal SIM, so you keep your number for calls and texts while using data in Japan & South Korea.
Comments & questions
Diego B. · 4 months ago
Do I need to install it before I travel or after I arrive?
Install on Wi-Fi before you fly, Diego — it switches on when you land. — Sophie, GotoeSIM Support
Grace K. · 7 months ago
How long does the QR code take to arrive after payment?
It's immediate, Grace! The QR code is delivered the moment your payment goes through. – Ingrid 💜
Ava H. · 8 months ago
How do I check how much data I have left?
You can check remaining data anytime in the GotoeSIM app under My eSIMs, Ava. — Grace, GotoeSIM Support
Nguyen P. · 8 months ago
Can I use it in nearby countries too?
For nearby countries, Nguyen, a regional plan may suit you better — happy to help you pick. – Omar, GotoeSIM Support
Nguyen D. · 9 months ago
Which networks does this connect to?
It connects to trusted local partner networks, Nguyen, on 4G/5G where available. – Anna, GotoeSIM Support
Anna L. · 9 months ago
Is roaming charged extra or is it all included?
Roaming is included in the plan, Anna — no extra charges, it's all prepaid. — Laura
Noah V. · 10 months ago
Thanks, installed with no problems on my Samsung.
It works great on modern Samsung phones, Noah! Add it via SIM manager and you're set. — Priya
Aisha H. · 10 months ago
Can I top up the same eSIM instead of buying a new one?
Yes Aisha, you can top up the same eSIM anytime — no need to buy a new one. — Emma
Giulia B. · 10 months ago
Will this keep my WhatsApp active with my home number?
Your number stays active for WhatsApp, Giulia! The eSIM just handles data. — Sara
Somchai H. · 11 months ago
Great guide, the setup steps were really helpful.
Thanks Somchai, that means a lot! Reach out anytime. – James, GotoeSIM Support
Lea R. · 1 year ago
Is 5G supported or just 4G?
5G is available where covered, Lea — you'll always get the best speed on offer. — Mark, GotoeSIM Support
Carlos G. · 1 year ago
Does this work on an iPhone 13?
Absolutely, Carlos! Any iPhone XS or newer supports it. Scan the QR in Settings › Cellular. – Ken, GotoeSIM Support